Cf. perhaps the following.
https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/Synaptic-Firmware-updater-throwing-an-exception-and-not-updating/td-p/1693373
Cf. perhaps the following.
https:/ /forums. lenovo. com/t5/ ThinkPad- T400-T500- and-newer- T/Synaptic- Firmware- updater- throwing- an-exception- and-not- updating/ td-p/1693373